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build_wheels.sh
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build_wheels.sh
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#!/bin/bash
set -e
set -x
# OpenMP is not present on macOS by default
if [[ "$RUNNER_OS" == "macOS" ]]; then
# Make sure to use a libomp version binary compatible with the oldest
# supported version of the macos SDK as libomp will be vendored into the
# scikit-learn wheels for macos.
if [[ "$CIBW_BUILD" == *-macosx_arm64 ]]; then
# arm64 builds must cross compile because CI is on x64
export PYTHON_CROSSENV=1
# SciPy requires 12.0 on arm to prevent kernel panics
# https://github.com/scipy/scipy/issues/14688
# We use the same deployment target to match SciPy.
export MACOSX_DEPLOYMENT_TARGET=12.0
OPENMP_URL="https://anaconda.org/conda-forge/llvm-openmp/11.1.0/download/osx-arm64/llvm-openmp-11.1.0-hf3c4609_1.tar.bz2"
else
export MACOSX_DEPLOYMENT_TARGET=10.9
OPENMP_URL="https://anaconda.org/conda-forge/llvm-openmp/11.1.0/download/osx-64/llvm-openmp-11.1.0-hda6cdc1_1.tar.bz2"
fi
sudo conda create -n build $OPENMP_URL
PREFIX="/usr/local/miniconda/envs/build"
export CC=/usr/bin/clang
export CXX=/usr/bin/clang++
export CPPFLAGS="$CPPFLAGS -Xpreprocessor -fopenmp"
export CFLAGS="$CFLAGS -I$PREFIX/include"
export CXXFLAGS="$CXXFLAGS -I$PREFIX/include"
export LDFLAGS="$LDFLAGS -Wl,-rpath,$PREFIX/lib -L$PREFIX/lib -lomp"
# Disable the use of setuptools's vendored copy distutils when invoking setuptools
# See: https://setuptools.pypa.io/en/latest/deprecated/distutils-legacy.html
# TODO: remove the definition of this environment variable when no
# reference to distutils exist in the code-base for building scikit-learn.
export SETUPTOOLS_USE_DISTUTILS=stdlib
fi
# The version of the built dependencies are specified
# in the pyproject.toml file, while the tests are run
# against the most recent version of the dependencies
python -m pip install cibuildwheel
python -m cibuildwheel --output-dir wheelhouse